Contra Costa County property record for 812 Dunstable Ct, San Ramon, CA 94582
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 3,541 sqft · built 2008 |
| Lot Size | 0.251 acres (10,939 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $879,000 (Mar 2009) |
| Tax Bill | $17,917 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 223-670-019-7 |
| Primary APN | 223-670-019-7 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 13 Rooms |
| Stories | 2 Stories |
| Building Area | 3,541 sqft Living Area |
| 1st Floor Area | 1,738 sqft |
| 2nd Floor Area | 1,803 sqft |
| Year Built | Built 2008 |
|---|---|
| Effective Year Built | Effective 2009 |
| Lot Area | 10,939 sqft (0.251 acres) |
| Garage Type | Attached |
| Garage Area | 597 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|
| Street Address | 812 DUNSTABLE CT |
|---|---|
| City | SAN RAMON |
| State | CA |
| Zip | 94582-5288 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | T9022 L201 |
| Legal Tract | 9022 |
| Legal Lot Number | 201 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | TASSAJARA |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 355126 |
812 Dunstable Ct is owner-occupied and held in a trust since December 2016.
Source: Contra Costa County records, as of July 14, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 812 DUNSTABLE CT, SAN RAMON, CA 94582-5288 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Mar 10, 2009 · Amount on File |
| Deed Sale | Mar 10, 2009 · Amount on File |
| Deed Document Number | 200949512 |
| Last Transfer Date | Dec 5, 2016 |
| Transfer Doc | 0000269520 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 812 Dunstable Ct was $17,917 with a homeowner's exemption.
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | San Ramon City |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $1,129,215 (+2%) Land $438,049 Building $691,166 | |
| 2025 | $17,917.00 Homeowner's exemption | $1,107,074 Land $429,460 Building $677,614 |
| 2023 | $17,972.00 (+2.2%) Homeowner's exemption | $1,064,087 Land $412,785 Building $651,302 |
| 2022 | $17,585.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 812 Dunstable Ct in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 12, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 812 Dunstable Ct is high, ranking above 77% of the US, with a 0.5% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 77% of the US · above 54% of California |
|---|---|
| Wildfire Likelihood | 0.5% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | DUBLIN SAN RAMON SERVICES DISTRICT serves 98,776 people · EPA ID CA0110009 |
|---|---|
| Water Source | Purchased surface water from ZONE 7 WATER AGENCY |
| Last State Inspection | Sep 2024 |
| Lead | Under 1 ppb (2023–2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 290 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: Verizon.
5G (outdoors only) and 4G LTE
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